.page-news {
  --news-line: rgba(18, 23, 31, 0.14);
  --news-muted: rgba(18, 23, 31, 0.72);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-17);
  line-height: 1.75;
}

.page-news .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑留白 ---------- */
.page-news .breadcrumb {
  margin-block: clamp(14px, 2vw, 22px) 0;
}

/* ---------- 首屏 ---------- */
.page-news .news-head {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(28px, 5vw, 68px) clamp(26px, 4vw, 52px);
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-head::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -38%;
  right: -16%;
  width: 68%;
  height: 184%;
  background: linear-gradient(148deg, var(--blue) 0 53%, var(--orange) 53.6% 100%);
  clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.14;
  pointer-events: none;
}

.page-news .news-head-inner {
  position: relative;
  display: grid;
  gap: 16px;
  max-width: 860px;
}

.page-news .news-head-inner .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--blue);
}

.page-news .news-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-64);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--blue);
}

.page-news .news-lede {
  margin: 0;
  max-width: 60ch;
  font-size: var(--fs-20);
  line-height: 1.72;
  color: var(--ink);
}

.page-news .news-head-facts {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.page-news .news-head-facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: var(--fs-14);
  color: var(--news-muted);
}

.page-news .news-head-facts .mono {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--blue);
}

/* ---------- 主题索引条 ---------- */
.page-news .news-toc {
  border-bottom: 1px solid var(--news-line);
  background: var(--paper);
}

.page-news .news-toc-inner {
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-toc-item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 15px clamp(14px, 2.2vw, 26px);
  border-right: 1px solid var(--news-line);
  font-size: var(--fs-14);
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-news .news-toc-item:first-child {
  border-left: 1px solid var(--news-line);
}

.page-news .news-toc-item .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--blue);
}

.page-news .news-toc-item:hover,
.page-news .news-toc-item:focus-visible {
  color: var(--orange);
  background: rgba(225, 89, 31, 0.06);
}

/* ---------- 章节骨架 ---------- */
.page-news .news-section {
  padding-block: clamp(38px, 6vw, 82px);
  scroll-margin-top: 84px;
}

.page-news .news-section--tint {
  background: var(--paper-2);
}

.page-news .news-section--archive {
  border-top: 1px solid var(--news-line);
}

.page-news .news-sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.6vw, 34px);
  align-items: start;
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-news .news-sec-num {
  font-size: clamp(34px, 6vw, 64px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--blue);
}

.page-news .news-sec-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-40);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-news .news-sec-sub {
  margin: 0;
  max-width: 48ch;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--news-muted);
}

/* ---------- 本季重点 ---------- */
.page-news .season-panel {
  border-top: 2px solid var(--blue);
  padding-top: clamp(20px, 3vw, 34px);
}

.page-news .season-lede {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 64ch;
  font-size: var(--fs-20);
  line-height: 1.72;
}

.page-news .season-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .season-item {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 30px);
  background: var(--paper);
  border-left: 3px solid var(--blue);
}

.page-news .season-item--green {
  border-left-color: var(--green);
}

.page-news .season-item--orange {
  border-left-color: var(--orange);
}

.page-news .season-tag {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--blue);
}

.page-news .season-item--green .season-tag {
  color: var(--green);
}

.page-news .season-item--orange .season-tag {
  color: var(--ink);
}

.page-news .season-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.35;
}

.page-news .season-item p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--news-muted);
}

/* ---------- 条目列表 ---------- */
.page-news .log-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-line);
}

.page-news .log-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 34px);
  padding: clamp(18px, 2.6vw, 30px) 0;
  border-bottom: 1px solid var(--news-line);
  transition: background-color 0.16s var(--ease);
}

.page-news .log-item:not(.log-item--key):hover {
  background: rgba(27, 79, 134, 0.045);
}

.page-news .log-item:not(.log-item--key):hover .log-title {
  color: var(--blue);
}

.page-news .log-index {
  font-size: clamp(17px, 2.2vw, 24px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--blue-soft);
  min-width: 2.2ch;
}

.page-news .log-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 8px;
}

.page-news .log-line-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border: 1px solid var(--blue);
  color: var(--blue);
}

.page-news .log-line-tag--green {
  border-color: var(--green);
  color: var(--green);
}

.page-news .log-time {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--news-muted);
}

.page-news .log-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  transition: color 0.16s var(--ease);
}

.page-news .log-text {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--news-muted);
}

/* 重点条：暖橙呼吸停顿 */
.page-news .log-item--key {
  background: var(--orange);
  border-bottom-color: transparent;
  padding: clamp(20px, 3vw, 34px) clamp(16px, 2.6vw, 32px);
}

.page-news .log-item--key .log-index {
  color: rgba(245, 241, 232, 0.68);
}

.page-news .log-item--key .log-title {
  color: var(--paper);
}

.page-news .log-item--key .log-text {
  color: rgba(245, 241, 232, 0.9);
}

.page-news .log-item--key .log-time {
  color: rgba(245, 241, 232, 0.78);
}

.page-news .log-item--key .log-line-tag {
  border-color: rgba(245, 241, 232, 0.62);
  color: var(--paper);
}

/* ---------- 图片框 ---------- */
.page-news .news-figure {
  margin: 0 0 clamp(22px, 3vw, 36px);
  border: 1px solid var(--news-line);
  background: var(--paper);
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-figcaption {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--news-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--news-muted);
}

.page-news .news-figure--mid {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
}

.page-news .news-figure--wide {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
}

/* ---------- 帮助线左右分栏 ---------- */
.page-news .news-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-news .news-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .news-figure--aside {
  margin: 0;
}

.page-news .news-aside-note {
  margin: 0;
  padding: 14px 16px;
  border-left: 3px solid var(--green);
  background: rgba(63, 124, 107, 0.08);
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 季度归档 ---------- */
.page-news .arc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
  border-top: 2px solid var(--blue);
}

.page-news .arc-item {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: clamp(18px, 2.2vw, 28px);
  background: var(--paper);
}

.page-news .arc-num {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--blue-soft);
}

.page-news .arc-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.3;
}

.page-news .arc-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--news-muted);
}

/* ---------- 结尾指路 ---------- */
.page-news .news-next {
  margin: clamp(24px, 3.4vw, 42px) 0 0;
  max-width: 70ch;
  padding-left: 18px;
  border-left: 3px solid var(--orange);
  font-size: var(--fs-17);
  line-height: 1.85;
}

.page-news .news-next a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-news .news-next a:hover,
.page-news .news-next a:focus-visible {
  color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .season-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .arc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-news .news-split {
    grid-template-columns: minmax(0, 1fr) minmax(250px, 340px);
    align-items: start;
  }

  .page-news .arc-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-news .news-lede {
    font-size: var(--fs-20);
  }
}

@media (max-width: 560px) {
  .page-news .news-sec-head {
    gap: 12px;
  }

  .page-news .news-sec-num {
    font-size: 30px;
  }

  .page-news .log-item {
    gap: 12px;
  }

  .page-news .log-index {
    font-size: 15px;
  }

  .page-news .log-item--key {
    padding-inline: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-toc-item,
  .page-news .log-item,
  .page-news .log-title {
    transition: none;
  }
}